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340 lines
13 KiB
340 lines
13 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Class MultipleAnswerTrueFalse
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* This class allows to instantiate an object of type MULTIPLE_ANSWER
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* (MULTIPLE CHOICE, MULTIPLE ANSWER), extending the class question
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* @author Julio Montoya
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*
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* @package chamilo.exercise
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*/
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class MultipleAnswerTrueFalse extends Question
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{
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static $typePicture = 'mcmao.png';
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static $explanationLangVar = 'MultipleAnswerTrueFalse';
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public $options;
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/**
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* Constructor
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*/
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public function MultipleAnswerTrueFalse()
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{
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parent::question();
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$this->type = MULTIPLE_ANSWER_TRUE_FALSE;
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$this->isContent = $this-> getIsContent();
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$this->options = array(1 => 'True', 2 => 'False', 3 => 'DoubtScore');
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}
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/**
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* function which redefines Question::createAnswersForm
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* @param FormValidator $form
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*/
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public function createAnswersForm($form)
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{
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$nb_answers = isset($_POST['nb_answers']) ? $_POST['nb_answers'] : 4;
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// The previous default value was 2. See task #1759.
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$nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
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$course_id = api_get_course_int_id();
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$obj_ex = $_SESSION['objExercise'];
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$renderer = & $form->defaultRenderer();
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$defaults = array();
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$html = '<table class="table table-striped table-hover">';
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$html .= '<thead>';
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$html .= '<tr>';
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$html .= '<th>' . get_lang('Number') . '</th>';
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$html .= '<th>' . get_lang('True') . '</th>';
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$html .= '<th>' . get_lang('False') . '</th>';
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$html .= '<th>' . get_lang('Answer') . '</th>';
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// show column comment when feedback is enable
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if ($obj_ex->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_EXAM) {
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$html .= '<th>' . get_lang('Comment') . '</th>';
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}
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$html .= '</tr>';
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$html .= '</thead>';
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$html .= '<tbody>';
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$form->addHeader(get_lang('Answers'));
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$form->addHtml($html);
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$correct = 0;
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$answer = null;
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if (!empty($this->id)) {
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$answer = new Answer($this->id);
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$answer->read();
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if (count($answer->nbrAnswers) > 0 && !$form->isSubmitted()) {
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$nb_answers = $answer->nbrAnswers;
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}
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}
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$form->addElement('hidden', 'nb_answers');
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$boxes_names = array();
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if ($nb_answers < 1) {
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$nb_answers = 1;
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Display::display_normal_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
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}
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// Can be more options
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$option_data = Question::readQuestionOption($this->id, $course_id);
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for ($i = 1; $i <= $nb_answers; ++$i) {
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$form->addHtml('<tr>');
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'correct[' . $i . ']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'counter[' . $i . ']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'answer[' . $i . ']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'comment[' . $i . ']'
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);
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$answer_number = $form->addElement('text', 'counter[' . $i . ']', null, 'value="' . $i . '"');
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$answer_number->freeze();
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if (is_object($answer)) {
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$defaults['answer[' . $i . ']'] = $answer->answer[$i];
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$defaults['comment[' . $i . ']'] = $answer->comment[$i];
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//$defaults['weighting['.$i.']'] = float_format($answer -> weighting[$i], 1);
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$correct = $answer->correct[$i];
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$defaults['correct[' . $i . ']'] = $correct;
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$j = 1;
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if (!empty($option_data)) {
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foreach ($option_data as $id => $data) {
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$form->addElement('radio', 'correct[' . $i . ']', null, null, $id);
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$j++;
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if ($j == 3) {
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break;
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}
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}
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}
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} else {
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$form->addElement('radio', 'correct[' . $i . ']', null, null, 1);
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$form->addElement('radio', 'correct[' . $i . ']', null, null, 2);
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$defaults['answer[' . $i . ']'] = '';
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$defaults['comment[' . $i . ']'] = '';
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$defaults['correct[' . $i . ']'] = '';
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}
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$boxes_names[] = 'correct[' . $i . ']';
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$form->addHtmlEditor(
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"answer[$i]",
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get_lang('ThisFieldIsRequired'),
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true,
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true,
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['ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100']
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);
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// show comment when feedback is enable
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if ($obj_ex->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_EXAM) {
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$form->addElement(
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'html_editor',
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'comment[' . $i . ']',
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null,
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array(),
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array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100')
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);
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}
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$form->addHtml('</tr>');
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}
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$form->addHtml('</tbody></table>');
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$correctInputTemplate = '<div class="form-group">';
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$correctInputTemplate .= '<label class="col-sm-2 control-label">';
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$correctInputTemplate .= '<span class="form_required">*</span>' . get_lang('Score');
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$correctInputTemplate .= '</label>';
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$correctInputTemplate .= '<div class="col-sm-8">';
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$correctInputTemplate .= '<table>';
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$correctInputTemplate .= '<tr>';
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$correctInputTemplate .= '<td>';
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$correctInputTemplate .= get_lang('Correct') . '{element}';
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$correctInputTemplate .= '<!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->';
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$correctInputTemplate .= '</td>';
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$wrongInputTemplate = '<td>';
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$wrongInputTemplate .= get_lang('Wrong') . '{element}';
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$wrongInputTemplate .= '<!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->';
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$wrongInputTemplate .= '</td>';
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$doubtScoreInputTempalte = '<td>' . get_lang('DoubtScore') . '<br>{element}';
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$doubtScoreInputTempalte .= '<!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->';
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$doubtScoreInputTempalte .= '</td>';
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$doubtScoreInputTempalte .= '</tr>';
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$doubtScoreInputTempalte .= '</table>';
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$doubtScoreInputTempalte .= '</div>';
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$doubtScoreInputTempalte .= '</div>';
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$renderer->setElementTemplate($correctInputTemplate, 'option[1]');
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$renderer->setElementTemplate($wrongInputTemplate, 'option[2]');
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$renderer->setElementTemplate($doubtScoreInputTempalte, 'option[3]');
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// 3 scores
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$form->addElement('text', 'option[1]', get_lang('Correct'), array('class' => 'span1', 'value' => '1'));
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$form->addElement('text', 'option[2]', get_lang('Wrong'), array('class' => 'span1', 'value' => '-0.5'));
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$form->addElement('text', 'option[3]', get_lang('DoubtScore'), array('class' => 'span1', 'value' => '0'));
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$form->addRule('option[1]', get_lang('ThisFieldIsRequired'), 'required');
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$form->addRule('option[2]', get_lang('ThisFieldIsRequired'), 'required');
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$form->addRule('option[3]', get_lang('ThisFieldIsRequired'), 'required');
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$form->addElement('hidden', 'options_count', 3);
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//Extra values True, false, Dont known
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if (!empty($this->extra)) {
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$scores = explode(':', $this->extra);
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if (!empty($scores)) {
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for ($i = 1; $i <= 3; $i++) {
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$defaults['option[' . $i . ']'] = $scores[$i - 1];
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}
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}
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}
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$navigator_info = api_get_navigator();
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global $text, $class;
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if ($obj_ex->edit_exercise_in_lp == true) {
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$buttonGroup = [];
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//ie6 fix
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if ($navigator_info['name'] == 'Internet Explorer' && $navigator_info['version'] == '6') {
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$buttonGroup[] = $form->addElement('submit', 'lessAnswers', '<i class="fa fa-plus"></i> '.get_lang('LessAnswer'), 'class="btn btn-default"');
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$buttonGroup[] = $form->addElement('submit', 'moreAnswers', '<i class="fa fa-minus"></i> '.get_lang('PlusAnswer'), 'class="btn btn-default"');
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$buttonGroup[] = $form->addElement('submit', 'submitQuestion', $text, 'class="' . $class . '"');
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} else {
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// setting the save button here and not in the question class.php
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$buttonGroup[] = $form->addButtonDelete(get_lang('LessAnswer'), 'lessAnswers', true);
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$buttonGroup[] = $form->addButtonCreate(get_lang('PlusAnswer'), 'moreAnswers', true);
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$buttonGroup[] = $form->addButtonSave($text, 'submitQuestion', true);
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}
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$form->addGroup($buttonGroup);
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}
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$defaults['correct'] = $correct;
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if (!empty($this->id)) {
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$form->setDefaults($defaults);
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} else {
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//if ($this -> isContent == 1) {
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$form->setDefaults($defaults);
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//}
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}
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$form->setConstants(array('nb_answers' => $nb_answers));
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}
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/**
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* abstract function which creates the form to create / edit the answers of the question
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* @param FormValidator $form
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*/
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public function processAnswersCreation($form)
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{
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$questionWeighting = $nbrGoodAnswers = 0;
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$objAnswer = new Answer($this->id);
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$nb_answers = $form->getSubmitValue('nb_answers');
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$options_count = $form->getSubmitValue('options_count');
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$course_id = api_get_course_int_id();
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$correct = array();
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$options = Question::readQuestionOption($this->id, $course_id);
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if (!empty($options)) {
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foreach ($options as $option_data) {
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$id = $option_data['id'];
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unset($option_data['id']);
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Question::updateQuestionOption($id, $option_data, $course_id);
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}
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} else {
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for ($i=1 ; $i <= 3 ; $i++) {
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$last_id = Question::saveQuestionOption($this->id, $this->options[$i], $course_id, $i);
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$correct[$i] = $last_id;
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}
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}
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/* Getting quiz_question_options (true, false, doubt) because
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it's possible that there are more options in the future */
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$new_options = Question::readQuestionOption($this->id, $course_id);
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$sorted_by_position = array();
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foreach($new_options as $item) {
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$sorted_by_position[$item['position']] = $item;
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}
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/* Saving quiz_question.extra values that has the correct scores of
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the true, false, doubt options registered in this format
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XX:YY:ZZZ where XX is a float score value.*/
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$extra_values = array();
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for ($i=1 ; $i <= 3 ; $i++) {
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$score = trim($form -> getSubmitValue('option['.$i.']'));
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$extra_values[]= $score;
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}
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$this->setExtra(implode(':',$extra_values));
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for ($i=1 ; $i <= $nb_answers ; $i++) {
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$answer = trim($form -> getSubmitValue('answer['.$i.']'));
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$comment = trim($form -> getSubmitValue('comment['.$i.']'));
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$goodAnswer = trim($form -> getSubmitValue('correct['.$i.']'));
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if (empty($options)) {
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//If this is the first time that the question is created when change the default values from the form 1 and 2 by the correct "option id" registered
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$goodAnswer = $sorted_by_position[$goodAnswer]['id'];
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}
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$questionWeighting += $extra_values[0]; //By default 0 has the correct answers
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$objAnswer->createAnswer($answer, $goodAnswer, $comment,'',$i);
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}
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// saves the answers into the data base
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$objAnswer->save();
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// sets the total weighting of the question
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$this->updateWeighting($questionWeighting);
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$this->save();
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}
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/**
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* @param int $feedback_type
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* @param int $counter
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* @param float $score
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* @return null|string
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*/
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function return_header($feedback_type = null, $counter = null, $score = null)
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{
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$header = parent::return_header($feedback_type, $counter, $score);
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$header .= '<table class="'.$this->question_table_class .'">
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<tr>
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<th>'.get_lang("Choice").'</th>
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<th>'. get_lang("ExpectedChoice").'</th>
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<th>'. get_lang("Answer").'</th>';
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if ($feedback_type != EXERCISE_FEEDBACK_TYPE_EXAM) {
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$header .= '<th>'.get_lang("Comment").'</th>';
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} else {
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$header .= '<th> </th>';
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}
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$header .= '</tr>';
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return $header;
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}
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}
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